What is a Blacklist Check?

Blacklist checking allows you to verify whether your domain or IP address has been flagged as suspicious or harmful by spam databases. These lists are often used by email providers, firewalls, and anti-spam tools to block malicious traffic or spam emails.

Why Should You Check Your Domain or IP?

• 💡 Prevent Email Delivery Issues: Being on a blacklist can prevent your emails from reaching users’ inboxes.
• 🔒 Enhance Domain Reputation: Regular checks help maintain your online credibility.
• ⚙️ Troubleshoot Network Problems: Find out if blacklisting is causing your site's slow traffic or blocking.
• 🆓 Free and Fast: Get results from 70+ DNSBLs instantly with no registration required.

How to Use Our Blacklist Check Tool?

1. Enter your domain name (e.g., example.com) in the input field.
2. Click the “Check” or “Submit” button.
3. The tool will analyze your IP against 70+ blacklist databases.
4. View your results and take action if your domain or IP is blacklisted.

Supported DNSBLs

We check across a wide range of blacklist providers including:

• Spamhaus (zen.spamhaus.org)
• SORBS (dnsbl.sorbs.net)
• UCEProtect (dnsbl-1.uceprotect.net)
• Spamrats (spam.spamrats.com)
• And 70+ more DNSBLs

Who Uses This Tool?

• Website Owners and Admins
• Email Marketers
• Cybersecurity Experts
• IT Support Professionals

Take Action

If your domain or IP is blacklisted, we recommend contacting the blacklist provider or reviewing your server's email sending behavior. Regular checks help you stay off blacklists and ensure uninterrupted email delivery.

Start Your Blacklist Check Now

Don’t let blacklisting hurt your business. Use our Blacklist Checker Tool now to stay safe and maintain your domain’s reputation.

Try the Tool